/*
 * Copyright 2013-2018 Lilinfeng.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.phei.netty.aio;

import java.nio.ByteBuffer;
import java.nio.channels.AsynchronousSocketChannel;
import java.nio.channels.CompletionHandler;

/**
 * @author lilinfeng
 * @version 1.0
 * @date 2014年2月16日
 */
public class AcceptCompletionHandler implements
        CompletionHandler<AsynchronousSocketChannel, AsyncTimeServerHandler> {

    @Override
    public void completed(AsynchronousSocketChannel result,
                          AsyncTimeServerHandler attachment) {
        attachment.asynchronousServerSocketChannel.accept(attachment, this); // 再异步接收新的客户端连接
        ByteBuffer buffer = ByteBuffer.allocate(1024); // 预分配 1M 的缓冲区
        /*
         * dst: 接收缓冲区
         * attachment：作为 通知回调 的入参使用
         * handler：通知回调
         */
        result.read(buffer, buffer, new ReadCompletionHandler(result));
    }

    @Override
    public void failed(Throwable exc, AsyncTimeServerHandler attachment) {
        exc.printStackTrace();
        attachment.latch.countDown();
    }

}
